
b='岳不群大战奥特曼'
print(b[:3])
print(b[-3:])
print("???????????????????????")
print(b[-3:-1])
print(b[-6:-3])
print(">>>>>>>>>>>>>>")
print(b[1:4])
print(">>>>>>>>>>>>>>>>>>>>>>>!!!")
print(b[1:-2])
print("%%%%%%%%%%%%%%%%%%%%%%%%%%%")
print(b[1:6:1])
print(b[1:6:2])
print(b[::2])
